3.7.4
3.7.4 Sample
Treatment
(1) Be sure to filtrate a sample which contains fine-particle
dusts.
Otherwise, the column might be clogged and deteriorated
earlier than normal.
(2) Be sure to remove inclusions from a sample.
Otherwise, data reliability may be degraded due to
appearance of abnormal peaks, etc.
(a) Example of sample filtration
As shown at left, sip a sample into a syringe and
attach a 0.45
μ
m cartridge-type membrane filter to
the syringe, followed by filtration. Dust in the
sample will be removed efficiently by this method.
NOTE
: There are various sample filtration
methods.
Select a method suitable for the
volume of your sample.
Filtration with 0.45
μ
m
membrane filter of cartridge
type
Clean sample
after filtration
(b) Example of inclusion removal from sample
In analysis with a reversed-phase column (such
as ODS column), for example, take a sample into
a syringe and filtrate it with a normal-phase
cartridge attached as shown at left. By this
method, inclusions can be removed.
NOTE
: There are various methods of
removing inclusions from a sample.
Select the optimum removal method
according to your analytical purpose.
Cartridge of
silica gel
Clean sample after
removal of inclusion
3 - 63
Содержание CHROMASTER 5160
Страница 54: ...3 17 Fig 3 3b Connecting with the Chromaster 5260 Autosampler Injection valve Syringe valve Port4 ...
Страница 165: ...INDEX 3 U UI Pad 2 6 UTLTY 2 7 3 18 W Wiring covers 2 4 APPENDIX 1 19 Z Zero pressure calibration 3 18 ...
Страница 190: ...APPENDIX 3 2 Log book Means the information containing records of instrument operating conditions ...
Страница 221: ...3 1 Replacement Procedure b Replace the fuse with a new one and then attach the fuse holder by pressing it 3 2 ...
Страница 244: ......
Страница 406: ......
Страница 433: ...SAFETY 10 SAFETY SUMMARY WARNING and CAUTION Labels on Instrument 7 Before Turning on Xenon Lamp Front View ...
Страница 999: ...Retaining screws Fixing bracket Appended Fig 1 5 Removal of Fixing Brackets APPENDIX 1 13 ...
Страница 1016: ......
Страница 1022: ...Sample rack A component part on which a sample is set Logbook A historical record of instrument operation APPENDIX 3 2 ...